docs: add no-terminal guide for cloned projects - #9

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: anchore/sbom-action@f8bdd1d8ac5e901a77a92f111440fdb1b593736b. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/